Home / 40,143.70-60,172.07-26,113.76

Finding the Fourth Proportional to 40,143.70, 60,172.07 and 26,113.76

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Solution

The fourth proportional to 40,143.70, 60,172.07 and 26,113.76 is: 39,142.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,143.70 : 60,172.07 = 26,113.76 : x
  2. Step 2: Convert to fraction form
    40,143.70/60,172.07 = 26,113.76/x
  3. Step 3: Cross multiply
    40,143.70x = 60,172.07 × 26,113.76
  4. Step 4: Simplify right side
    40,143.70x = 1,571,318,788.90
  5. Step 5: Solve for x
    x = 1,571,318,788.90/40,143.70
  6. Step 6: Final answer
    x = 39,142.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.